NSR Query Results
Output year order : Descending NSR database version of May 1, 2024. Search: Author = P.Collon Found 25 matches. 2020AN02 Phys.Rev. C 101, 025801 (2020) T.Anderson, M.Skulski, L.Callahan, A.Clark, A.Nelson, P.Collon, G.Chmiel, T.Woodruff, M.Caffee Measurement of 34S(3He, p)36Cl cross sections for nuclide enrichment in the early solar system NUCLEAR REACTIONS 3He(34S, p)36Cl, E=1.11-2.36 MeV/nucleon; measured production σ(E) for 36Cl at NSL, University of Notre Dame, 36Cl atoms by accelerator mass spectroscopy (AMS) at NSL and at PRIME laboratory, Purdue University. Comparison with predictions from TALYS and other models. Discussed astrophysical implications of 36Cl in terms of presence of short-lived radionuclides (SLRs) at the time of the formation of the solar system.
doi: 10.1103/PhysRevC.101.025801
2019PA57 Nucl.Instrum.Methods Phys.Res. B438, 172 (2019) R.C.Pardo, T.Palchan-Hazan, R.Scott, M.Paul, O.Nusair, W.Bauder, R.Vondrasek, D.Seweryniak, S.Baker, R.Talwar, P.Collon, F.G.Kondev, G.Youinou, M.Salvatores, G.Palmiotti, J.Berg, J.Giglio, M.T.Giglio, G.Imel, C.Nair, C.L.Jiang Laser Ablation Positive-Ion AMS of Neutron Activated Actinides NUCLEAR REACTIONS 236U, 242Pu(n, X), E not given; measured reaction products; deduced neutron transmutation rates by accelerator mass spectrometry.
doi: 10.1016/j.nimb.2018.05.004
2018TE04 Phys.Rev.Lett. 121, 112701 (2018) M.Tessler, M.Paul, S.Halfon, B.S.Meyer, R.Pardo, R.Purtschert, K.E.Rehm, R.Scott, M.Weigand, L.Weissman, S.Almaraz-Calderon, M.L.Avila, D.Baggenstos, P.Collon, N.Hazenshprung, Y.Kashiv, D.Kijel, A.Kreisel, R.Reifarth, D.Santiago-Gonzalez, A.Shor, I.Silverman, R.Talwar, D.Veltum, R.Vondrasek Stellar 36, 38Ar(n, γ)37, 39Ar Reactions and Their Effect on Light Neutron-Rich Nuclide Synthesis NUCLEAR REACTIONS 36,38Ar(n, γ), E ∼ 30 keV; measured reaction products, Eβ, Iβ; deduced thermal σ, Maxwellian average cross sections (MACS). Comparison with available data.
doi: 10.1103/PhysRevLett.121.112701
2017AN08 Phys.Rev. C 96, 015803 (2017) T.Anderson, M.Skulski, A.Clark, A.Nelson, K.Ostdiek, P.Collon, G.Chmiel, T.Woodruff, M.Caffee Re-measurement of the 33S (α, p)36Cl cross section for early solar system nuclide enrichment NUCLEAR REACTIONS 4He(33S, 36Cl), E=0.78-1.52 MeV/nucleon; measured 36Cl/Cl concentrations by AMS technique, integrated σ(E) at the Tandem accelerator of the NSL, University of Notre Dame. Comparison with previous experimental measurements and with Hauser-Feshbach code TALYS. Systematically lower cross sections obtained in the present work than in the originally reported ones, thus resolving the discrepancy with theoretical calculations.
doi: 10.1103/PhysRevC.96.015803
2017OS02 Phys.Rev. C 95, 055809 (2017) K.M.Ostdiek, T.S.Anderson, W.K.Bauder, M.R.Bowers, A.M.Clark, P.Collon, W.Lu, A.D.Nelson, D.Robertson, M.Skulski, R.Dressler, D.Schumann, J.P.Greene, W.Kutschera, M.Paul Activity measurement of 60Fe through the decay of 60mCo and confirmation of its half-life RADIOACTIVITY 60Fe(β-)[from Cu(p, X), E=590 MeV at PSI followed by chemical separation]; 60mCo(IT); measured Eγ, Iγ from 60mCo decay, half-life of 60Fe via the 2+ isomeric state of 60Co, number of atoms of 60Fe from 60Fe/56Fe isotopic ratios of samples using accelerator mass spectrometry (AMS) technique. Experiments performed at the university of Notre Dame. Comparison with previous half-life measurements.
doi: 10.1103/PhysRevC.95.055809
2015OS02 Nucl.Instrum.Methods Phys.Res. B361, 638 (2015) K.Ostdiek, T.Anderson, W.Bauder, M.Bowers, P.Collon, R.Dressler, J.Greene, W.Kutschera, W.Lu, M.Paul, D.Robertson, D.Schumann, M.Skulski, A.Wallner Towards a measurement of the half-life of 60Fe for stellar and early Solar System models RADIOACTIVITY 60Fe(β-); measured decay products; deduced T1/2. Accelerator mass spectrometry, comparison with available data.
doi: 10.1016/j.nimb.2015.05.033
2013BO01 Nucl.Instrum.Methods Phys.Res. B294, 491 (2013) M.Bowers, P.Collon, Y.Kashiv, W.Bauder, K.Chamberlin, W.Lu, D.Robertson, C.Schmitt First experimental results of the 33S(α, p)36Cl cross section for production in the Early Solar System NUCLEAR REACTIONS 4He(33S, p)36Cl, E=90 MeV; measured reaction products; deduced σ, 36Cl/Cl ratio. Accelerator Mass Spectroscopy (AMS), chemical separation. Comparison with Hauser-Feshbach calculations.
doi: 10.1016/j.nimb.2011.12.024
2013BO30 Phys.Rev. C 88, 065802 (2013) M.Bowers, Y.Kashiv, W.Bauder, M.Beard, P.Collon, W.Lu, K.Ostdiek, D.Robertson Measurement of the 33S(α, p)36Cl cross section: Implications for production of 36Cl in the early Solar System NUCLEAR REACTIONS 33S(α, p)36Cl, E=0.70-2.42 MeV/nucleon; measured reaction products, σ(E), 36Cl/Cl ratio using accelerator mass spectrometry (AMS) technique from 36Cl ions extracted from the (α, p) reaction at Notre Dame accelerator facility. Comparison of measured σ with theoretical cross sections used in the early solar system (ESS) irradiation models, and calculated values from NON-SMOKER and TALYS Hauser-Feshbach codes. Relevance to production of τ<100 My in the early Solar System.
doi: 10.1103/PhysRevC.88.065802
2012KI16 Science 335, 1614 (2012) N.Kinoshita, M.Paul, Y.Kashiv, P.Collon, C.M.Deibel, B.DiGiovine, J.P.Greene, D.J.Henderson, C.L.Jiang, S.T.Marley, T.Nakanishi, R.C.Pardo, K.E.Rehm, D.Robertson, R.Scott, C.Schmitt, X.D.Tang, R.Vondrasek, A.Yokoyama A Shorter 146Sm Half-Life Measured and Implications for 146Sm-142Nd Chronology in the Solar System RADIOACTIVITY 146Sm(α); measured decay products, Eα, Iα; deduced T1/2 and its uncertainty and 146Sm/144Sm ratio. 146Sm - 142Nd clock, comparison with available data.
doi: 10.1126/science.1215510
2012RO13 Phys.Rev. C 85, 045810 (2012) D.Robertson, J.Gorres, P.Collon, M.Wiescher, H.-W.Becker New measurement of the astrophysically important 40Ca(α, γ)44Ti reaction NUCLEAR REACTIONS 40Ca(α, γ)44Ti, E=3.0-4.6 MeV; measured Eγ, Iγ, σ(E). 44Ti; deduced α resonances, levels, resonance strengths, reaction rates of astrophysical interest. Comparison with previous studies and theoretical model calculations.
doi: 10.1103/PhysRevC.85.045810
2010JI03 Phys.Rev. C 81, 024611 (2010) C.L.Jiang, K.E.Rehm, H.Esbensen, B.B.Back, R.V.F.Janssens, P.Collon, C.M.Deibel, B.DiGiovine, J.M.Figueira, J.P.Greene, D.J.Henderson, H.Y.Lee, M.Notani, S.T.Marley, R.C.Pardo, N.Patel, D.Seweryniak, X.D.Tang, C.Ugalde, S.Zhu Fusion hindrance for 27Al+45Sc and other systems with a positive Q value NUCLEAR REACTIONS 45Sc(27Al, X), E=51-82 MeV; measured fragment spectra, σ, astrophysical S-factor. Comparison with coupled-channels calculations. 14N(14N, X), E=4-11 MeV; 30Si(28Si, X), E=25-31 MeV; 45Sc(27Al, X), E=32-39 MeV; 64Ni(28Si, X), E=44-51 MeV; 40Ca(40Ca, X), E=49-57 MeV; 48Ca(48Ca, X), E=46-56 MeV; 48Ca(36S, X), E=37-48 MeV; comparison of measured cross sections and astrophysical S-factors with coupled-channel calculations.
doi: 10.1103/PhysRevC.81.024611
2008JI04 Phys.Rev. C 78, 017601 (2008) C.L.Jiang, B.B.Back, H.Esbensen, J.P.Greene, R.V.F.Janssens, D.J.Henderson, H.Y.Lee, C.J.Lister, M.Notani, R.C.Pardo, N.Patel, K.E.Rehm, D.Seweryniak, B.Shumard, X.Wang, S.Zhu, S.Misicu, P.Collon, X.D.Tang Fusion hindrance for a positive Q-value system NUCLEAR REACTIONS 30Si(28Si, X), E=48.5-71 MeV; measured excitation functions, fusion σ. 12C(12C, X); systematics of Q-values. Comparisons with model calculations.
doi: 10.1103/PhysRevC.78.017601
2008KI05 J.Phys.(London) G35, 014033 (2008) N.Kinoshita, T.Hashimoto, T.Nakanishi, A.Yokoyama, H.Amakawa, T.Mitsugashira, T.Ohtsuki, N.Takahashi, I.Ahmad, J.P.Greene, D.J.Henderson, C.L.Jiang, M.Notani, R.C.Pardo, N.Patel, K.E.Rehm, R.Scott, R.Vondrasek, L.Jisonna, P.Collon, D.Robertson, C.Schmitt, X.D.Tang, Y.Kashiv, H.Nassar, M.Paul Ultra-sensitive detection of p-process nuclide 146Sm produced by (γ, n), (p, 2nε) and (n, 2n) reactions
doi: 10.1088/0954-3899/35/1/014033
2007HA49 J.Nucl.Radiochem.Sci. 8, 109 (2007) T.Hashimoto, T.Nakanishi, A.Yokoyama, H.Amakawa, T.Mitsugashira, T.Ohtsuki, N.Takahashi, I.Ahmad, J.P.Greene, D.J.Henderson, C.L.Jiang, M.Notani, R.C.Pardo, N.Patel, K.E.Rehm, R.Scott, R.Vondrasek, L.Jisonna, P.Collon, D.Robertson, C.Schmitt, X.D.Tang, Y.Kashiv, M.Paul Technological Development for Half-life Measurement of 146Sm Nuclide NUCLEAR REACTIONS 147Sm(γ, n), E < 50 MeV; 147Sm(n, 2n), E=6-10 MeV; 147Sm(p, 2n), E=21 MeV; measured Eα, Iα.
2007RO12 Nucl.Instrum.Methods Phys.Res. B259, 669 (2007) D.Robertson, C.Schmitt, Ph.Collon, D.Henderson, B.Shumard, L.Lamm, E.Stech, T.Butterfield, P.Engel, G.Hsu, G.Konecki, S.Kurtz, R.Meharchand, A.Signoracci, J.Wittenbach A new AMS setup for nuclear astrophysics experiments
doi: 10.1016/j.nimb.2007.01.261
2006JI06 Phys.Lett. B 640, 18 (2006) C.L.Jiang, B.B.Back, H.Esbensen, R.V.F.Janssens, S.Misicu, K.E.Rehm, P.Collon, C.N.Davids, J.Greene, D.J.Henderson, L.Jisonna, S.Kurtz, C.J.Lister, M.Notani, M.Paul, R.Pardo, D.Peterson, D.Seweryniak, B.Shumard, X.D.Tang, I.Tanihata, X.Wang, S.Zhu First evidence of fusion hindrance for a small Q-value system NUCLEAR REACTIONS 64Ni(28Si, X), E=63-95 MeV; measured fusion-evaporation σ, fusion excitation function; deduced hindrance at sub-barrier energies. Coupled-channels analysis.
doi: 10.1016/j.physletb.2006.07.007
2005JI02 Phys.Rev. C 71, 044613 (2005) C.L.Jiang, K.E.Rehm, H.Esbensen, R.V.F.Janssens, B.B.Back, C.N.Davids, J.P.Greene, D.J.Henderson, C.J.Lister, R.C.Pardo, T.Pennington, D.Peterson, D.Seweryniak, B.Shumard, S.Sinha, X.D.Tang, I.Tanihata, S.Zhu, P.Collon, S.Kurtz, M.Paul Hindrance of heavy-ion fusion at extreme sub-barrier energies in open-shell colliding systems NUCLEAR REACTIONS 100Mo(64Ni, X), E=196-262 MeV; measured fusion-evaporation σ, fusion excitation function; deduced hindrance at sub-barrier energies. 58,60,64Ni, 74Ge, 90,91,94Zr, 92,100Mo, 124Sn(58Ni, X), 89Y(60Ni, X), 64Ni, 74Ge, 92,96Zr, 92,100Mo, 124Sn(64Ni, X), E(cm) ≈ 120 MeV; analyzed fusion σ, sub-barrier hindrance.
doi: 10.1103/PhysRevC.71.044613
2005NA08 Phys.Rev.Lett. 94, 092504 (2005) H.Nassar, M.Paul, I.Ahmad, D.Berkovits, M.Bettan, P.Collon, S.Dababneh, S.Ghelberg, J.P.Greene, A.Heger, M.Heil, D.J.Henderson, C.L.Jiang, F.Kappeler, H.Koivisto, S.O'Brien, R.C.Pardo, N.Patronis, T.Pennington, R.Plag, K.E.Rehm, R.Reifarth, R.Scott, S.Sinha, X.Tang, R.Vondrasek Stellar (n, γ) Cross Section of 62Ni NUCLEAR REACTIONS 62Ni(n, γ), E=spectrum; measured total σ. Fast-neutron activation, accelerator mass spectrometry. Astrophysical implications discussed.
doi: 10.1103/PhysRevLett.94.092504
2004JI05 Phys.Rev.Lett. 93, 012701 (2004) C.L.Jiang, K.E.Rehm, R.V.F.Janssens, H.Esbensen, I.Ahmad, B.B.Back, P.Collon, C.N.Davids, J.P.Greene, D.J.Henderson, G.Mukherjee, R.C.Pardo, M.Paul, T.O.Pennington, D.Seweryniak, S.Sinha, Z.Zhou Influence of Nuclear Structure on Sub-Barrier Hindrance in Ni + Ni Fusion NUCLEAR REACTIONS 64Ni(64Ni, X), E=171-220 MeV; measured fusion excitation function; deduced structure effects in sub-barrier hindrance. Comparison with similar reactions.
doi: 10.1103/PhysRevLett.93.012701
2004JI07 Prog.Theor.Phys.(Kyoto), Suppl. 154, 61 (2004) C.L.Jiang, H.Esbensen, K.E.Rehm, B.B.Back, R.V.F.Janssens, C.N.Davids, J.P.Greene, D.J.Henderson, G.Mukherjee, R.C.Pardo, T.O.Pennington, D.Seweryniak, S.Sinha, Z.Zhou, M.Paul, P.Collon, J.A.Caggiano, A.M.Heinz, I.Nishinaka Systematics of Heavy-Ion Fusion Reactions at Extreme Sub-Barrier Energies NUCLEAR REACTIONS 64Ni(64Ni, X), E=172-212 MeV; measured fusion excitation function; deduced barrier distribution. Fragment mass analyzer, S-factor analysis, fusion reaction systematics discussed.
doi: 10.1143/PTPS.154.61
2004NA39 Nucl.Phys. A746, 613c (2004) H.Nassar, S.Ghelberg, M.Paul, S.Dababneh, M.Heil, F.Kappeler, R.Plag, I.Ahmad, J.P.Greene, D.J.Henderson, C.L.Jiang, R.C.Pardo, T.Pennington, K.E.Rehm, R.Scott, S.Sinha, X.Tang, R.Vondrasek, H.Koivisto, D.Berkovits, M.Bettan, R.Reifarth, P.Collon, S.O'Brien, N.Patronis Production and isobaric separation of 63Ni ions for determination of the 62Ni(n, γ)63Ni reaction cross section at stellar temperatures NUCLEAR REACTIONS 62Ni(n, γ), E=fast; measured yields.
doi: 10.1016/j.nuclphysa.2004.09.140
2002HA15 Phys.Rev. C65, 035803 (2002) B.Harss, C.L.Jiang, K.E.Rehm, J.P.Schiffer, J.Caggiano, P.Collon, J.P.Greene, D.Henderson, A.Heinz, R.V.F.Janssens, J.Nolen, R.C.Pardo, T.Pennington, R.H.Siemssen, A.A.Sonzogni, J.Uusitalo, I.Wiedenhover, M.Paul, T.F.Wang, F.Borasi, R.E.Segel, J.C.Blackmon, M.Smith, A.Chen, P.Parker Widths of Astrophysically Important Resonances in 18Ne NUCLEAR REACTIONS 1H(17F, p), (17F, α), E(cm)=3.07-3.94 MeV; measured σ, σ(E, θ). 17F(p, p'), E(cm) ≈ 3.5 MeV; deduced σ(θ). 14O(α, p), E=low; deduced astrophysical reaction rates. 18Ne deduced resonance parameters.
doi: 10.1103/PhysRevC.65.035803
2002JI04 Phys.Rev.Lett. 89, 052701 (2002); Comment Phys.Rev.Lett. 91, 229201 (2003) C.L.Jiang, H.Esbensen, K.E.Rehm, B.B.Back, R.V.F.Janssens, J.A.Caggiano, P.Collon, J.Greene, A.M.Heinz, D.J.Henderson, I.Nishinaka, T.O.Pennington, D.Seweryniak Unexpected Behavior of Heavy-Ion Fusion Cross Sections at Extreme Sub-Barrier Energies NUCLEAR REACTIONS 89Y(60Ni, X), E=122-136 MeV; measured fusion-evaporation σ; deduced discrepancy with model prediction at low energy. Comparison with previous results from other systems.
doi: 10.1103/PhysRevLett.89.052701
2002RE29 Phys.Rev.Lett. 89, 132501 (2002) K.E.Rehm, C.L.Jiang, I.Ahmad, J.Caggiano, P.Collon, J.P.Greene, D.Henderson, A.Heinz, R.V.F.Janssens, R.C.Pardo, T.Pennington, J.P.Schiffer, R.H.Siemssen, A.H.Wuosmaa, M.Paul, P.Mohr Large Angle Elastic Alpha Scattering on a N = Z Nucleus above A = 40 NUCLEAR REACTIONS 4He(44Ti, 44Ti), (44Ti, 44Ti'), (40Ca, 40Ca), E(cm)=21.8 MeV; measured σ(θ); deduced angle-integrated σ, optical model parameters.
doi: 10.1103/PhysRevLett.89.132501
1995TI10 Nucl.Instrum.Methods Phys.Res. A365, 446 (1995) I.Tilquin, Y.El Masri, M.Parlog, Ph.Collon, M.Hadri, Th.Keutgen, J.Lehmann, P.Leleux, P.Lipnik, A.Ninane, F.Hanappe, G.Bizard, D.Durand, P.Mosrin, J.Peter, R.Regimbart, B.Tamain Detection Efficiency of the Neutron Modular Detector DEMON and Related Characteristics NUCLEAR REACTIONS 12C(n, n'γ), E=8-21 MeV; measured neutron tof spectra; deduced detection efficiency, cross talk efficiency, nγ-, n(charged particle)-discrimination related characteristics. DEMON detector array.
doi: 10.1016/0168-9002(95)00425-4
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